87547338020 has 12 divisors (see below), whose sum is σ = 183849409884. Its totient is φ = 35018935200.

The previous prime is 87547338017. The next prime is 87547338041. The reversal of 87547338020 is 2083374578.

It can be written as a sum of positive squares in 2 ways, for example, as 16257270016 + 71290068004 = 127504^2 + 267002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188683431 + ... + 2188683470.

It is an arithmetic number, because the mean of its divisors is an integer number (15320784157).

Almost surely, 2^87547338020 is an apocalyptic number.

It is an amenable number.

87547338020 is an abundant number, since it is smaller than the sum of its proper divisors (96302071864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87547338020 is a wasteful number, since it uses less digits than its factorization.

87547338020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377366910 (or 4377366908 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 87547338020 in words is "eighty-seven billion, five hundred forty-seven million, three hundred thirty-eight thousand, twenty".